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  1. Was this helpful?
  2. ncbi.nlm.nih.gov

    National Center for Biotechnology Information

    https://www.ncbi.nlm.nih.gov › pmc › articles › PMC7442797

    Three pronounced gamma-ray flares F1, F2, and F3 were identified and the their three-hour binned light curves are also plotted in Fig. 1 a in different colours. The timing and spectral properties of all three flares were found to be very similar, see Table 1 and Table 2. The spectral indices of the flares are rather hard, and the similarity in ...
    Publication:Nat Commun. 2020; 11: 4176.Author:A. Shukla, K. MannheimPublished:2020
  3. academic.oup.com

    Rapid gamma-ray flares pose an astrophysical puzzle, requiring mechanisms both to accelerate energetic particles and to produce fast observed variability. These dual requirements may be satisfied by collisionless relativistic magnetic reconnection. On the one hand, relativistic reconnection can energize gamma-ray emitting electrons.
    Author:J. M. Mehlhaff, G. R. Werner, D. A. Uzdensky, M. C. BegelmanPublished:2020
  4. iopscience.iop.org

    Our study provides firm support for the hypothesis (Thompson & Duncan 2001; Lyutikov 2006; Uzdensky 2011) that magnetic reconnection in the QED regime is capable of powering the spectacular gamma-ray flares observed in a class of magnetars called soft gamma repeaters, in which 10 44 -10 46 erg is emitted in gamma-rays in just a fraction of a ...
    Author:K. M. Schoeffler, T. Grismayer, D. Uzdensky, D. Uzdensky, R. A. Fonseca, R. A. Fonseca, L. O. SilvaPublished:2019
  5. academic.oup.com

    Jun 1, 2023Magnetic reconnection causes compression of the plasma and magnetic field deep inside magnetic islands (plasmoids), leading to an enhancement of the flaring emission, which may help explain some astrophysical gamma-ray flare observations. Although radiative cooling weakens the emission from plasmoid cores, it facilitates additional compression ...
  6. Sep 23, 2024Relativistic magnetic reconnection is a key driver of high-energy emission in various astrophysical environments. In pulsar magnetospheres, the equatorial current sheet forming beyond the light cylinder undergoes reconnection in a strongly radiative and pair-producing regime, emitting gamma-ray emission through
  7. It is commonly believed that blazar jets are relativistic magnetized plasma outflows from supermassive black holes. One key question is how the jets dissipate magnetic energy to accelerate particles and drive powerful multi-wavelength flares. Relativistic magnetic reconnection has been proposed as the primary plasma physical process in the blazar emission region. Recent numerical simulations ...
  8. Rapid gamma-ray flares pose an astrophysical puzzle, requiring mechanisms both to accelerate energetic particles and to produce fast observed variability. These dual requirements may be satisfied by collisionless relativistic magnetic reconnection. On the one hand, relativistic reconnection can energize gamma-ray emitting electrons. On the other, as previous kinetic simulations have shown, the ...
  9. researchgate.net

    Due to high magnetic and radiation energy densities, reconnection in relativistic compact object environments is likely to be highly radiative, and much recent work on radiative reconnection is ...
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